TreeGridLoaded ({ /* JSONP header, to be possible to load from xxx_Jsonp data source */ 
   "Cfg" : { "id": "DetailNestedTable", "Detail": "1", "CfgId": "DetailNestedTable"   }, 
   "Cfg_2" : { "Sync": "All", "SyncId": "DetailNestedTable", "SyncStyle": "1"   }, 
   "Cfg_3" : { "Dragging": "0", "Dropping": "0", "Adding": "0", "Deleting": "0", "Selecting": "0", "ConstWidth": "0"   }, 
   "Cols" : [ 
      { "Name": "Panel"   }, 
      { "Name": "I", "Type": "Int", "CanEdit": "0", "Width": "20"   }, 
      { "Name": "N", "Type": "Text", "CanEdit": "0", "Width": "80"   }, 
      { "Name": "V", "Type": "Text", "RelWidth": "1", "PrintWidth": "160"   }  
   ], 
   "Header" : { "N": "Item", "V": "Value"   }, 
   "Head" : [ 
      { "Kind":"Filter", "id": "Filter", "IVisible": "0", "ICanEdit": "0", "IShowMenu": "0", "NRange": "1", "NShowMenu": "0", "NButton": "Defaults", "NDefaults": "|*FilterOff|*Rows", "VCanEdit": "0"   }  
   ], 
   "Foot" : [ 
      { "id": "Sum", "Calculated": "1", "IVisible": "0", "N": "Summary", "CanCopyPaste": "0", 
         "VFormula": "Grid.GetRowById(\"Age\",\"N\") ? Grid.GetRowById(\"FirstName\",\"N\").V + \" \" + Grid.GetRowById(\"Surname\",\"N\").V + \" (\" + Grid.GetRowById(\"Age\",\"N\").V + \")\" : \"\""   }  
   ], 
   "MenuCfg" : { "ShowPanel": "0"   }, 
   "Toolbar" : { "Visible": "0"   }, 
}) /* End of JSONP header */ 